Retailer GameStop (GME) sells over 1M copies worldwide of Activision Blizzard's (ATVI) “Call of Duty: Black Ops II” on the video-game's first day of sales. "'Black Ops II' is shaping up to be our biggest game launch of all time," gushes GameStop President Tony Bartel. Piper Jaffray's Michael Olson reckons that, based on retailer checks, 'Black Ops II' will sell 6.5M-7.2M overall in the and U.S. and U.K.